Improvement of the tribological properties of Al6061-T6 alloy under dry sliding conditions

Auezhan Amanov, Shinya Sasaki, Dae Eun Kim, Oleksiy V. Penkov, Young Sik Pyun

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Abstract

The tribological properties of ultrasonic nanocrystalline surface modification (UNSM) treated Al6061-T6 alloy were investigated at various normal loads under dry sliding conditions. Electron backscattering diffraction (EBSD) analysis revealed a microstructure alteration of about 70 μm in thickness generated by the UNSM technique. The friction test results showed that the friction coefficient and wear rate of the UNSM-treated specimen reduced by about 25 and 20% compared to that of the UNSM-free specimen, respectively. X-ray photoelectron spectroscopy (XPS) results showed that the oxide percentage on the worn surface increased, but that of carbon percentage decreased after the UNSM treatment.

Original languageEnglish
Pages (from-to)24-32
Number of pages9
JournalTribology International
Volume64
DOIs
Publication statusPublished - 2013 Apr 8

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All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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